NL29556C - - Google Patents
Info
- Publication number
- NL29556C NL29556C NL29556DA NL29556C NL 29556 C NL29556 C NL 29556C NL 29556D A NL29556D A NL 29556DA NL 29556 C NL29556 C NL 29556C
- Authority
- NL
- Netherlands
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05B—PHOSPHATIC FERTILISERS
- C05B11/00—Fertilisers produced by wet-treating or leaching raw materials either with acids in such amounts and concentrations as to yield solutions followed by neutralisation, or with alkaline lyes
- C05B11/04—Fertilisers produced by wet-treating or leaching raw materials either with acids in such amounts and concentrations as to yield solutions followed by neutralisation, or with alkaline lyes using mineral acid
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B25/00—Phosphorus; Compounds thereof
- C01B25/16—Oxyacids of phosphorus; Salts thereof
- C01B25/18—Phosphoric acid
- C01B25/22—Preparation by reacting phosphate-containing material with an acid, e.g. wet process
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Fertilizers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE1836672X | 1930-02-13 |
Publications (1)
Publication Number | Publication Date |
---|---|
NL29556C true NL29556C (US07678551-20100316-C00001.png) |
Family
ID=20423752
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL29556D NL29556C (US07678551-20100316-C00001.png) | 1930-02-13 |
Country Status (3)
Country | Link |
---|---|
US (1) | US1836672A (US07678551-20100316-C00001.png) |
FR (1) | FR709846A (US07678551-20100316-C00001.png) |
NL (1) | NL29556C (US07678551-20100316-C00001.png) |
Families Citing this family (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2807521A (en) * | 1953-11-09 | 1957-09-24 | Chemical Construction Corp | Phosphoric acid manufacture |
BE538799A (US07678551-20100316-C00001.png) * | 1955-06-07 | 1955-06-30 | Union Chimique Belge Sa | |
US2885264A (en) * | 1955-06-10 | 1959-05-05 | Chemical Construction Corp | Hemihydrate process for phosphoric acid manufacture |
US2885263A (en) * | 1955-06-10 | 1959-05-05 | Chemical Construction Corp | Anhydrite process for phosphoric acid manufacture |
US2963358A (en) * | 1955-11-17 | 1960-12-06 | Armour & Co | Production of granular fertilizers |
US2887362A (en) * | 1955-12-30 | 1959-05-19 | Phillips Petroleum Co | Manufacture of phosphoric acid |
US2890936A (en) * | 1956-02-01 | 1959-06-16 | Curt S Benefield | Method for producing phosphoric acid |
US3118731A (en) * | 1959-10-28 | 1964-01-21 | Svanoe | |
DE1217410B (de) * | 1960-10-05 | 1966-05-26 | Asahi Chemical Ind | Verfahren zur Herstellung von loesliche Phosphate und Nitrate enthaltenden Duengemitteln |
GB970947A (en) * | 1960-10-05 | 1964-09-23 | Asahi Chemical Ind | A method for producing chemical fertilizers |
US3472619A (en) * | 1964-03-06 | 1969-10-14 | Singmaster & Breyer | Production of phosphoric acid and calcium sulfate |
US3467496A (en) * | 1966-11-07 | 1969-09-16 | American Cyanamid Co | Process for preparing wet process phosphoric acid and calcium sulfate from phosphate rock |
GB1209911A (en) * | 1967-02-01 | 1970-10-21 | Marchon Products Ltd | Manufacture of phosphoric acid |
US4134964A (en) * | 1974-10-04 | 1979-01-16 | Hoechst Aktiengesellschaft | Process and apparatus for purifying wet-processed phosphoric acid |
DE146443C (US07678551-20100316-C00001.png) * | 1976-07-07 | Occidental Petroleum Corp | ||
US4196172A (en) * | 1976-07-07 | 1980-04-01 | Occidental Petroleum Corporation | Hemihydrate type phosphoric acid process |
US4258008A (en) * | 1978-01-05 | 1981-03-24 | Occidental Research Corporation | System for phosphoric acid production with decreased foaming |
US4277448A (en) * | 1977-12-29 | 1981-07-07 | Occidental Petroleum Corporation | Phosphoric acid process with high circulation rates |
US4258007A (en) * | 1978-01-05 | 1981-03-24 | Occidental Research Corporation | Feed system for phosphoric acid production with decreased foaming |
LU84713A1 (fr) * | 1983-03-25 | 1984-11-14 | Prayon Soc | Procede et preparation d'acide phosphorique et de sulfate de calcium hemihydrate alpha |
US6562308B1 (en) * | 2000-11-15 | 2003-05-13 | Agrium, Inc. | Process for the recovery of phosphate from phosphate rock |
BE1016065A3 (fr) | 2004-06-01 | 2006-02-07 | Prayon Technologies | Procede de production d'acide phosphorique. |
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0
- NL NL29556D patent/NL29556C/xx active
-
1931
- 1931-01-15 US US508830A patent/US1836672A/en not_active Expired - Lifetime
- 1931-01-21 FR FR709846D patent/FR709846A/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR709846A (fr) | 1931-08-12 |
US1836672A (en) | 1931-12-15 |